_campaign'], FILTER_CALLBACK, array('options' => [$this, 'sanitizeUTM']));

            if ($utmCampaign !== '') {
                $_SESSION['utm_tags']['campaign'] = $utmCampaign;
                setcookie("utm_campaign", $utmCampaign, strtotime('+30 days'), '/', esc_url_raw($_SERVER['HTTP_HOST']));
            }
        }

        if (isset($_GET['utm_term'])) {
            $utmTerm =  filter_var($_GET['utm_term'], FILTER_CALLBACK, array('options' => [$this, 'sanitizeUTM']));

            if ($utmTerm !== '') {
                $_SESSION['utm_tags']['term'] = $utmTerm;
                setcookie("utm_term", $utmTerm, strtotime('+30 days'), '/', esc_url_raw($_SERVER['HTTP_HOST']));
            }
        }

        if (isset($_GET['utm_content'])) {
            $utmContent = filter_var($_GET['utm_content'], FILTER_CALLBACK, array('options' => [$this, 'sanitizeUTM']));

            if ($utmContent !== '') {
                $_SESSION['utm_tags']['content'] = $utmContent;
                setcookie("utm_content", $utmContent, strtotime('+30 days'), '/', esc_url_raw($_SERVER['HTTP_HOST']));
            }
        }
        
        /**
         * Save referer in session
         */
        if (isset($_SERVER['HTTP_REFERER']) && $_SERVER['HTTP_REFERER'] !== NULL) {
            $refererUrl = filter_var($_SERVER['HTTP_REFERER'], FILTER_SANITIZE_URL);
            $siteUrl = home_url();

            // Check if refer is not itself
            if (strpos($refererUrl, $siteUrl) === false) {
                $refererParsed = parse_url($refererUrl);
                
                $_SESSION['otys_referer'] = isset($refererParsed['host']) ?  str_replace(['https://', 'http://', 'www.'], '', $refererParsed['host']) : NULL;
            }
        }
    }

    /**
     * Create custom ajax Actions
     *
     * @return void
     * @since 1.2.0
     */
    public function initCustomAjaxActions(): void
    {
        Hooks::addAction('wp_ajax_otys_vvc', '\Otys\OtysPlugin\Controllers\VacanciesController', 'trackView', 10, 1);
        Hooks::addAction('wp_ajax_nopriv_otys_vvc', '\Otys\OtysPlugin\Controllers\VacanciesController', 'trackView', 10, 1);
    }

     /**
     * Version checker.
     * This checker is responsible for breaking 
     *
     * @return void
     * @since 1.2.6
     */
    public function versionCheck(): void
    {
        if (is_admin()) {
            $updater = new \Otys\OtysPlugin\Includes\Core\Updater();

            $updater->check();
        }
    }
    
    /**
     * Register rest calls
     */
    public static function registerRest()
    {
        add_action('rest_api_init', function () {
            register_rest_route('otys/v1', '/apply', array(
                'methods' => 'POST',
                'callback' => ['\Otys\OtysPlugin\Controllers\Shortcodes\VacanciesApplyController', 'restPost'],
                'permission_callback' => '__return_true'
            ));

            register_rest_route('otys/v1', '/vacancy/analytics', array(
                'methods' => 'POST',
                'callback' => ['\Otys\OtysPlugin\Controllers\VacanciesDetailController', 'track'],
                'permission_callback' => '__return_true'
            ));
        });
    }

    /**
     * Register shortcodes
     *
     * @since 2.0.0
     * @return void
     */
    public static function registerShortcodes()
    {
        add_shortcode(
            'otys-vacancies-list',
            ['\Otys\OtysPlugin\Controllers\Shortcodes\VacanciesListController', 'callback']
        );

        Hooks::addAction('template_redirect', VacanciesListController::class, 'filterStatusCode', 10, 0);

        add_shortcode(
            'otys-vacancies-filters',
            ['\Otys\OtysPlugin\Controllers\Shortcodes\VacanciesFiltersController', 'callback']
        );
        
        add_shortcode(
            'otys-vacancies-shortlist',
            ['\Otys\OtysPlugin\Controllers\Shortcodes\VacanciesShortlistController', 'callback']
        );

        add_shortcode(
            'otys-vacancies-search',
            ['\Otys\OtysPlugin\Controllers\Shortcodes\VacanciesSearchController', 'callback']
        );

        Hooks::addAction('template_redirect', VacanciesSearchController::class, 'filterPost', 10, 0);

        add_shortcode(
            'otys-vacancies-geo-search',
            ['\Otys\OtysPlugin\Controllers\Shortcodes\VacanciesGeoSearchController', 'callback']
        );

        add_shortcode(
            'otys-vacancies-selected-filters',
            ['\Otys\OtysPlugin\Controllers\Shortcodes\VacanciesSelectedFiltersController', 'callback']
        );

        add_shortcode(
            'otys-vacancies-apply',
            ['\Otys\OtysPlugin\Controllers\Shortcodes\VacanciesApplyController', 'callback']
        );

        add_shortcode(
            'otys-interactions',
            ['\Otys\OtysPlugin\Controllers\Shortcodes\InteractionsController', 'callback']
        );
    }
}